/usr/include/CLAM/Condition.hxx is in libclam-dev 1.4.0-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __CONDITION__
#define __CONDITION__
#include "ErrSystem.hxx"
#include "Lock.hxx"
#include <pthread.h>
namespace CLAM
{
struct xtime;
class Condition
{
public:
Condition();
~Condition();
void NotifyOne();
void NotifyAll();
template <typename L>
void Wait( L& lock )
{
if ( !lock )
throw LockError("Invalid lock");
DoWait( lock.mMutex );
}
template <typename L, typename Pr >
void Wait( L& lock, Pr predicate )
{
if ( !lock )
throw LockError("Invalid lock");
while ( !predicate() )
DoWait( lock.mMutex );
}
template <typename L>
bool TimedWait( L& lock, const xtime& xt )
{
if (!lock )
throw LockError();
return DoTimedWait( lock.mMutex, xt );
}
template <typename L, typename Pr>
bool TimedWait( L& lock, const xtime& xt, Pr predicate )
{
if ( !lock )
throw LockError();
while( !predicate() )
{
if (!DoTimedWait( lock.mMutex, xt ) )
return false;
}
return true;
}
private:
template <typename M>
void DoWait( M& mutex )
{
typedef typename Hidden::LockOps<M> LockOps;
typename LockOps::LockState state;
LockOps::Unlock( mutex, state );
DoWait( state.pmutex );
LockOps::Lock( mutex, state );
}
template <typename M>
bool DoTimedWait( M& mutex, const xtime& xt )
{
typedef typename Hidden::LockOps<M> LockOps;
typename LockOps::LockState state;
LockOps::Unlock( mutex, state );
bool ret = false;
ret = DoTimedWait( xt, state.pmutex );
LockOps::Lock( mutex, state );
return ret;
}
void DoWait( pthread_mutex_t* pMutex );
bool DoTimedWait( const xtime& xt, pthread_mutex_t* pMutex);
pthread_cond_t mCondition;
};
} // end of namespace CLAM
#endif // Condition.hxx
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